FetchEvent: clientId property
Note: This feature is only available in Service Workers.
The clientId read-only property of the
FetchEvent interface returns the id of the Client that the
current service worker is controlling.
The Clients.get() method could then be passed this ID to retrieve the
associated client.
Value
A string that represents the client ID.
Examples
js
self.addEventListener("fetch", (event) => {
console.log(event.clientId);
});
Specifications
| Specification |
|---|
| Service Workers # fetch-event-clientid |
Browser compatibility
BCD tables only load in the browser